RF28109 - Ronstan 25mm Lashing Ball Bearing Block

Ronstan 25mm Lashing Ball Bearing Block

The Ronstan 25mm Ball Bearing Orbit Block is a high-performance, single sheave block designed for serious dinghy and small boat sailors. Featuring an innovative lashing head, this block ensures easy attachment and adaptability for various rigging needs. Constructed with Ronstan's acclaimed acetal bearing system, it delivers an excellent strength-to-weight ratio, making it perfect for demanding applications like mainsheet, spinnaker sheet turning blocks, cunninghams, and cascading vangs on boats up to 4 meters.

This block's stainless steel hub accommodates lashing lines up to 4mm (5/32") and is designed for maximum efficiency without sacrificing reliability.

The Ronstan 25mm Lashing Ball Bearing Block (RF28109) is a specialized component for marine rigging applications, suitable for dinghies and small boats up to 4 meters. This single sheave block features a 2-stage acetal ball bearing system, engineered for smooth operation and an optimal strength-to-weight ratio. Its primary design incorporates a lashing head with a stainless steel hollow hub, accommodating lashing lines up to 4mm (5/32") for flexible attachment. The hollow hub also supports becket take-off capabilities. This block is compatible with running lines up to 8mm (5/16") and is applicable for demanding uses such as mainsheet, spinnaker sheet turning blocks, cunninghams, and cascading vangs, providing a reliable solution for specific rigging configurations.